What is cellular respiration and why is it needed

Cellular respiration is a process that traits place in the mitochondrion of a cell. it is a cells way of producing energy. it is needed because without it your body wouldn't be able to perform any actions that needed energy, eventually leading to death.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d